SQL PLSQL Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

What is trigger in sql?

1099

How do sql triggers work?

1041

What type of join is sql join?

982

What is the use of count (*) in sql?

1053

What is difference between rank () row_number () and dense_rank () in sql?

1101

What is sql rowcount?

1019

What is equi join in sql?

1073

What is the difference between distinct and unique in sql?

948

What is group by in sql?

1083

Why we use triggers in mysql?

992

What is sql procedures and functions?

1004

Why trigger is used in sql?

970

What is rownum in sql?

1043

Why self join is used in sql?

976

What is the difference between count 1 and count (*) in a sql query?

993

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Un-Answered Questions { SQL PLSQL }

Explain the methods used to protect source code of pl/sql.

1019

What is the advantage of nosql?

1061

When is the update_statistics command used?

1116

what is the difference difference between procedure and packages

10407

What is the best free sql database?

1051

Does db2 use sql?

946

How to move files from one directory to another in pl sql?

1194

how to create a test table in your mysql server? : Sql dba

1008

What is spool?

1054

What is bitemporal narrowing?

1308

What is a dirty read sql?

1138

Difference between table function and pipelined function?

1022

What is composite data type in pl sql?

1111

How does a covering index work?

960

Is oracle sql free?

987

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